The Only Son

Shuhei is leading a tough life. His alcoholic mother Akiko can only hook up with bad guys and order Shuhei to go get money from his disapproving grandparents instead of going to school. Except raising the little half-sister, his rock-bottom life seems to have no end.

Widower Shuhei Hirayama's caretaker is his 24-year-old daughter, Michiko. Gradually, he comes to realize that Michiko should not be obliged to look after him for the rest of his life, so he arranges a marriage for her.

In this loose adaptation of "Hamlet," illegitimate son Kôichi Nishi climbs to a high position within a Japanese corporation and marries the crippled daughter of company vice president Iwabuchi. At the reception, the wedding cake is a replica of their corporate headquarters, but an aspect of the design reminds the party of the hushed-up death of Nishi's father. It is then that Nishi unleashes his plan to avenge his father's death.

A woman, Tome, is born to a lower class family in Japan in 1918. The title refers to an insect, repeating its mistakes, as in an infinite circle. Imamura, with this metaphor, introduces the life of Tome, who keeps trying to change her poor life.